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논문 기본 정보

자료유형
학술저널
저자정보
조수용 (Gyeongsang National University) 임채환 (Kyungwoon University) 최상규 (Korea Institute of Machinery and Materials) 김진균 (Korea Institute of Machinery and Materials) 조종현 (Suntech Co.)
저널정보
한국신재생에너지학회 신·재생에너지 신재생에너지 제13권 제1호 (통권 제51호)
발행연도
2017.3
수록면
4 - 16 (13page)
DOI
10.7849/ksnre.2017.3.13.1.004

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초록· 키워드

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Recently, vertical axis wind turbines have been widely used to produce electricity even in urban. This system has several merits, such as low sound noise, easy installation of the generator, and simple structure without a yaw-control mechanism and so on. However, its blades are operated under the influence of the trailing vortices generated by the preceding blades. This phenomenon deteriorates its output power, and also makes difficulty in predicting correctly its performance. Even though there are many prediction methods, the CFD could be a very accurate prediction method. For this, this method needs the transient analysis and three-dimensional (3-D) computation. However, this full 3-D CFD could be hard to be a practical tool because it requires huge computation time. Therefore, the reduced computational domain was applied as a practical method. In this study, the computations were conducted in the reduced computational domain and compared with the experimental results reported in the literature. It was examined the mechanism of the difference between the experimental results and the computational results. In addition, it showed this computational method could be an effective method in the design methodology using the optimization algorithm.

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ABSTRACT
1. 서론
2. 수치해석방법
3. 수치해석결과 비교
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-505-002231920